A Makefile for docker images.

Makedocker

DATE = $(shell date)
NAME = dcrbsltd/image
VERSION = 1

all: build

build:
	docker build -t $(NAME):$(VERSION) --rm .

tag_latest:
	docker tag $(NAME):$(VERSION) $(NAME):latest

test:
	env NAME=$(NAME) VERSION=$(VERSION) ./test

release: test tag_latest
	@if ! docker images $(NAME) | awk '{ print $$2 }' | grep -q -F $(VERSION); then echo "$(NAME) version $(VERSION) is not yet built. Please run 'make build'"; false; fi
	@if ! head -n 1 Changelog.md | grep -q 'release date'; then echo 'Please note the release date in Changelog.md.' && false; fi
	docker push $(NAME)
	@echo "*** Don't forget to create a tag. git tag rel-$(VERSION) && git push origin rel-$(VERSION)"

git_commit:
	@echo "Enter commit message:"
	@read REPLY; \
	echo "${DATE} - $$REPLY" >> CHANGELOG; \
	git add --all; \
	git commit -m "$$REPLY"; \
	git push